gerardo hernandez is the first tsa officer to be killed in the line of duty since the office was created 12 years ago. as with all tsa workers, hernandez was unarmed. police say the suspect paul ciancia had a note that said he planned to kill multiple tsa officers and wanted to, quote, instill fear in their traitorous minds. joining me msnbc correspondent pete williams. what are we learning? what's the latest on this alleged gunman? >> this is not where one of those investigations where every 10 minutes brings some other revelation. this is a long slow go to try to figure out the answer to the key question, which is why did he do it. there's nothing that his friends or roommates say this they thought he was an adherent to this extremist anti-government view expressed in this handwritten later, which is a general rant of the usual stuff about the federal reserve and federal government and the currencies and one world order and all of that. for some reason a specific attack on the tsa which he said was vilding his constitutional rights. he says in the letter if the tsa is going to treat al